427437970 has 16 divisors (see below), whose sum is σ = 814646808. Its totient is φ = 160917760.

The previous prime is 427437961. The next prime is 427437971. The reversal of 427437970 is 79734724.

It can be written as a sum of positive squares in 4 ways, for example, as 426463801 + 974169 = 20651^2 + 987^2 .

It is not an unprimeable number, because it can be changed into a prime (427437971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1257001 + ... + 1257340.

Almost surely, 2^427437970 is an apocalyptic number.

427437970 is a deficient number, since it is larger than the sum of its proper divisors (387208838).

427437970 is a wasteful number, since it uses less digits than its factorization.

427437970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514365.

The product of its (nonzero) digits is 296352, while the sum is 43.

The square root of 427437970 is about 20674.5730306577. The cubic root of 427437970 is about 753.2821901654.

The spelling of 427437970 in words is "four hundred twenty-seven million, four hundred thirty-seven thousand, nine hundred seventy".